New York, N.Y. -- The DJBooth has come together with Diamond Media 360 to bring listeners The Official 2011 CMJ Mixtape, a compilation showcasing the many underground and up-and-coming hip-hop artists participating in this year's CMJ Marathon (running October 18 through the 22nd). Composed of two one hour-plus sets from DJ JS-1 of the Rocksteady Crew and DJ Skizz of WNYU's Halftime Show (89 Tech 9) and featuring contributions from such reader-acclaimed artists as Action Bronson, Roc Marciano, Evidence, Sean Price, Prodigy, M.O.P. and Statik Selektah, Talib Kweli, the project is available for free streaming and download at the link below.